| 摘要 |
The device has a channel system leading from an induction opening to exhaust opening (54), a suction fan in the channel system and a filter device in the channel system with pre-filter and odor filter. The induction opening is positioned at the height of the workplace and the channel system forms an exhaust air box downstream of the fan with an exhaust opening covered by an odor filter. An independent claim is also included for an exhaust air box, especially for an inventive device. |
